1.1.1 Non-text Content (Level A)
1.2.1 Audio-only and Video-only (Prerecorded) (Level A) 1.2.2 Captions (Prerecorded) (Level A) 1.2.3 Audio Description or Media Alternative (Prerecorded) (Level A) 1.2.4 Captions (Live) (Level AA) 1.2.5 Audio Description (Prerecorded) (Level AA) 1.2.6 Sign Language (Prerecorded) (Level AAA) 1.2.7 Extended Audio Description (Prerecorded) (Level AAA) 1.2.8 Media Alternative (Prerecorded) (Level AAA) 1.2.9 Audio-only (Live) (Level AAA)
1.3.1 Info and Relationships (Level A) 1.3.2 Meaningful Sequence (Level A) 1.3.3 Sensory Characteristics (Level A) 1.3.4 Orientation (Level AA) 1.3.5 Identify Input Purpose (Level AA) 1.3.6 Identify Purpose (Level AAA)
1.4.1 Use of Color (Level A) 1.4.2 Audio Control (Level A) 1.4.3 Contrast (Minimum) (Level AA) 1.4.4 Resize Text (Level AA) 1.4.5 Images of Text (Level AA) 1.4.6 Contrast (Enhanced) (Level AAA) 1.4.7 Low or No Background Audio (Level AAA) 1.4.8 Visual Presentation (Level AAA) 1.4.9 Images of Text (No Exception) (Level AAA) 1.4.10 Reflow (Level AA) 1.4.11 Non-text Contrast (Level AA) 1.4.12 Text Spacing (Level AA) 1.4.13 Content on Hover or Focus (Level AA)
2.1.1 Keyboard (Level A) 2.1.2 No Keyboard Trap (Level A) 2.1.3 Keyboard (No Exception) (Level AAA) 2.1.4 Character Key Shortcuts (Level A)
2.2.1 Timing Adjustable (Level A) 2.2.2 Pause, Stop, Hide (Level A) 2.2.3 No Timing (Level AAA) 2.2.4 Interruptions (Level AAA) 2.2.5 Re-authenticating (Level AAA) 2.2.6 Timeouts (Level AAA)
2.3.1 Three Flashes or Below Threshold (Level A) 2.3.2 Three Flashes (Level AAA) 2.3.3 Animation from Interactions (Level AAA)
2.4.1 Bypass Blocks (Level A) 2.4.2 Page Titled (Level A) 2.4.3 Focus Order (Level A) 2.4.4 Link Purpose (In Context) (Level A) 2.4.5 Multiple Ways (Level AA) 2.4.6 Headings and Labels 2.4.7 Focus Visible (Level AA) 2.4.8 Location (Level AAA) 2.4.9 Link Purpose (Link Only) (Level AAA) 2.4.10 Section Headings (Level AAA) 2.4.11 Focus Not Obscured (Minimum) (Level AA) 2.4.12 Focus Not Obscured (Enhanced) (Level AAA) 2.4.13 Focus Appearance (Level AAA)
2.5.1 Pointer Gestures (Level A) 2.5.2 Pointer Cancellation (Level A) 2.5.3 Label in Name (Level A) 2.5.4 Motion Actuation (Level A) 2.5.5 Target Size (Enhanced) (Level AAA) 2.5.6 Concurrent Input Mechanisms (Level AAA) 2.5.7 Dragging Movements (Level AA) 2.5.8 Target Size (Minimum) (Level AA)
3.1.1 Language of Page (Level A) 3.1.2 Language of Parts (Level AA) 3.1.3 Unusual Words (Level AAA) 3.1.4 Abbreviations (Level AAA) 3.1.5 Reading Level (Level AAA) 3.1.6 Pronunciation (Level AAA)
3.2.1 On Focus (Level A) 3.2.2 On Input (Level A) 3.2.3 Consistent Navigation (Level AA) 3.2.4 Consistent Identification (Level AA) 3.2.5 Change on Request (Level AAA) 3.2.6 Consistent Help (Level A)
3.3.1 Error Identification (Level A) 3.3.2 Labels or Instructions (Level A) 3.3.3 Error Suggestion (Level AA) 3.3.4 Error Prevention (Legal, Financial, Data) (Level AA) 3.3.5 Help (Level AAA) 3.3.6 Error Prevention (All) (Level AAA) 3.3.7 Redundant Entry (Level A) 3.3.8 Accessible Authentication (Minimum) (Level AA) 3.3.9 Accessible Authentication (Enhanced) (Level AAA)
4.1.1 Parsing (Obsolete and removed) 4.1.2 Name, Role, Value (Level A) 4.1.3 Status Messages (Level AA)